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Tractor · 1967Unverified

David Brown 780

Name: David Brown 780
Brand: David Brown

David Brown 780 · 46 hp. Reference specifications; pending source verification.

The David Brown 780 is a tractor model rated at approximately 46 hp, positioning it at the lighter end of its class. It was in production from 1967 to 1971. Features include a 3-cylinder diesel liquid-cooled engine and two-wheel drive with a 12-speed gearbox. Its operating weight is listed at 1573 kg, and it is suitable for operations covering up to 200 acres.

Provisional listing — the headline figure is shown; full specifications are auto-generated and pending verification against published sources.

Rated power

46 hp

Weight

1573 kg

Catalogue coverage

Variants represented

Richest spec table

61 rows

Recorded power

46 hp

Recorded weight

1573 kg

Transmissions

12-speed

Production years

1967-1971

Verified variants

No linked source document is currently displayed; verify critical figures with the manufacturer or dealer.

Hover a source tag to verify

Overview

ManufacturerDavid BrownReference

Built in Meltham Mills, Huddersfield, EnglandReference

Total built8,986Reference

Original price was $4,000 in 1971Reference

Two-wheel driveReference

Manual steeringReference

Mechanical drum brakesReference

Engine

David Brown 2.7L 3-cyl dieselReference

Fuel tank36.0 LReference

Engine (gross)34.3 kWReference

Drawbar (claimed)29.0 kWReference

David BrownReference

dieselReference

3-cylinderReference

liquid-cooledReference

Displacement2.7 LReference

Bore/Stroke100 x 114 mmReference

Power (gross)34.3 kWReference

Compression17:1Reference

Rated RPM2200Reference

Idle RPM700-2200Reference

Firing order1-2-3Reference

Oil capacity6.2 LReference

Coolant capacity9.5 LReference

Transmission

12-speedReference

6-speedReference

Transmissionsliding gearReference

Gears12 forward and 4 reverseReference

Clutchdry discReference

Oil capacity22.7 LReference

Gears6 forward and 2 reverseReference

PTO & Hydraulics

PTO (claimed)32.0 kWReference

Pressure137.9 barReference

Pump flow28.0 lpmReference

Oil typeSAE20W30SAE20W40Reference

Oil typeSAE20W30Reference

Oil typeSAE20W40Reference

Rear TypeIReference

Rear lift725 kgReference

Rear PTOliveReference

Rear PTO Type540/1000Reference

Engine RPM540@1828Reference

Engine RPM1000@2000Reference

Dimensions

Wheelbase192 cmReference

Weight1573 kgReference

Front tire6.00-16Reference

Rear tire12.4/11-28Reference

Ag front6.00-16Reference

Ag rear12.4/11-28Reference

Length283 cmReference

Width162 cmReference

Height209 cmReference

Ground clearance29 cmReference

780 Serial Numbers

Location:Front-right side of chassis, just behind the radiatorReference

1967600001Reference

1968600879Reference

1969602853Reference

1970606109Reference

1971609665Reference

FAQ: How to read a serial number table.Reference

Electrical

GroundnegativeReference

Values normalized to UK metric units. Every figure is traced to at least one source; verified specs are cross-checked against two or more.

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